The coach knows that it will be tough but says his side are going to play as they have done all season...
The Catalans go into the match as favourites but with the German side possessing their own talent in the final third, it looks set to be an entertaining encounter.
Speaking to the press today, Guardiola acknowledged that it will not be easy and that his team will play as they have done all season.
"We will play in the best possible way, you know how that is as you have seen us this year. We will play our way, knowing the strengths of the opponents, and we will try to get a good result for the return leg, where the qualifying round will be decided, because they are very strong," Marca quotes him as saying.
"It will not be easy, but we will be looking to create and make chances on goal. We will try to score and not concede, everything is important, but playing against big teams it hurts to let in goals. We will try to work the ball and to be intense at all times, to create opportunities.
"We know that a lot of mistakes are penalised and that you can be knocked out of the competition. You need to be at a high level to score and we are lucky to be able to play in this game tomorrow."
The former player went on to state that his side will be taking each game at a time and seeing where they get to.
"We are fortunate to have got here, there is no doubt about it, now we will go game by game and see what happens. We expect to get as far as possible, but we are lucky to have the opportunity to enjoy this and to be able to win titles," he mused.
Ribery And Alves
Predictably, much of the build-up coming into the match as been about the attacking talent on display in both sides, from the front and back.
Guardiola looked forward to what could be one of the most exciting battles on the night; Franck Ribery against Daniel Alves.
"He [Ribery] is a very fast, very forward player, who plays on both wings, is very direct and scores goals. We will try to defend against him together and make sure he does not get into the match," he explained.
"I do not know where Ribery will play tomorrow but Dani will play knowing that he has to be solid and to keep playing how he is at the moment. It is not just him who will have the problem of a player in front of them as good as Ribery."
The coach also spoke about Luca Toni, who is likely to be the main goal threat for Bayern with Miroslav Klose injured.
"Toni is very difficult to defend against in the area and we will have to move him away because there can be fouls. He is large so he uses his body and is one of the best strikers in Europe at the moment," he said.
Finally, Guardiola was asked about Barcelona's poor recent record against Bayern, and claimed that if anything, they are the favourites in the tie.
"We will try to break the statistics, before a game, being favourite counts for nothing. If anyone has a tiny advantage it is them, as they have the chance to play the second leg at home and for me, that is better. We are playing against a historic team, where the shirt means a lot and there is pride. It is a challenge to play against them," he concluded.
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James Walker-Roberts, Goal.com